// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002072/string-getbefore

​

// @nuget: Z.ExtensionMethods

​

using System;

​

public class Program

{

    public static void Main()

    {

        string str = "EntityFramework";

​

        // C# Extension Method: String - GetBefore

        string getBeforeStr = str.GetBefore("Framework");

        Console.WriteLine(getBeforeStr);

    }

}

​